Biogas is a methane rich fuel gas produced by anaerobic breakdown of biomass with the help of methanogenic bacteria. It is composed of methane (50-70%), CO2 (30-40%) and traces of H2, N2 and H2 S.
In gobar gas, the maximum amount is that of
Held on 30 Apr 2012 · Verified 9 Jul 2026.
butane
methane
propane
carbon dioxide
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Which of the following is an example of non-distilled alcoholic beverage produced by yeast?
Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C. Trichoderma polysporum D. Saccharomyces cerevisiae E. Propionibacterium sharmanii Choose the correct answer from the options given below:
Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C. Anabaena D. Volvox E. Nostoc Choose the correct answer from the options given below:
Streptokinase produced by bacterium Streptococcus is used for
Match List I with List II  Choose the correct answer from the options given below:
Work through every NEET UG Microbes in Human Welfare PYQ, year by year.